Condensed Answer: Most 10-speed rear derailleurs aren't compatible with a 7-speed indexed shifter and cassette. There is one exception, however. Shimano's 10-speed Road derailleurs can operate with a 7-speed Shimano…
Description of the problem: The b-tension screw of the rear derailleur is too short to adequately do its job. In consequence, the top pulley of the derailleur is touching the…
Description of the problem: A part of the rear derailleur, usually the top pulley, is touching the largest cog of the cassette. Possible Sources Of The Malfunction Note: Don't examine…
The rear derailleur turns bicycles into conquering machines by allowing cyclists to conveniently switch between gears according to the terrain ahead. Within a couple of clicks, the rider can find…
On the surface, bicycles are tremendously simple two-wheel vehicles powered by the rider's muscles. But when you get deeper into the cycling world, you realize that there's more to the…
Some bicycles come with a plastic disc slid between the largest cog of the cassette or freewheel and the spokes of the rear tire. This is the so-called spoke protector…
The derailleur on a geared bicycle is a sensitive piece of equipment. It has to be in perfect alignment to shift smoothly and quickly. If it's bent even slightly, the…